public bool Validate()
{
if (FeatureSet != null)
{
var dt = FeatureSet.DataTable;
if (dt.Rows.Count == ActiveCellCount)
{
if (!dt.Columns.Contains(ParaValueField))
{
dt.Columns.Add(new DataColumn(ParaValueField, Type.GetType("System.Double")));
for (int i = 0; i < dt.Rows.Count; i++)
{
dt.Rows[i][ParaValueField] = 0;
}
FeatureSet.Save();
}
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
public void EditShapefile(string shapefilename)
{
using (var fs = new FeatureSet(Path.Combine(FranceProjectPath, "Shapefiles", shapefilename)))
{
// Go to edit mode:
fs.StartEditingShapes();
Assert.IsTrue(fs.EditingShapes, "Could not set in edit mode");
// Save shapefile:
fs.Save();
// Close feature set:
fs.Close();
}
}
/// <summary>
/// Overloaded method for rendering point data on map
/// </summary>
/// <param name="MyRemainingFacets"></param>
private void PutReturnOnMap(IEnumerable <FacetedSearch3.CUAHSIFacetedSearch.SiteData> MyRemainingFacets)
{
ClearPointLayersFromMap();
FeatureSet fs = new FeatureSet(FeatureType.Point);
fs.Projection = KnownCoordinateSystems.Geographic.World.WGS1984;
foreach (FacetedSearch3.CUAHSIFacetedSearch.SiteData o in MyRemainingFacets)
{
DotSpatial.Topology.Point p = new DotSpatial.Topology.Point();
p.X = o.longitude;
p.Y = o.latitude;
fs.AddFeature(p);
}
fs.Filename = FacetedShapeFileName;
fs.Save();
App.Map.AddLayer(FacetedShapeFileName);
// map1.Layers.Add(MyLocations);
}
private void btn_Ok_Click(object sender, EventArgs e)
{
string outputDir = tbx_Dir.Text.Trim();
if (!Directory.Exists(outputDir))
{
if (string.IsNullOrWhiteSpace(outputDir))
{
MessageBox.Show("请选择Shapefile文件保存文件夹");
return;
}
Directory.CreateDirectory(outputDir);
}
List <FeatureClass> pOutputFeatureClasses = GetCheckedFeatureClass();
foreach (FeatureClass feaClass in pOutputFeatureClasses)
{
DataTable pDT = feaClass.GetDataTable();
if (pDT == null)
{
//表格不存在
MessageBox.Show(feaClass.Name + "表格不存在。");
continue;
}
if (pDT.Rows.Count == 0)
{
//MessageCenterMgr.MessageCenter.AddInfoMsg(feaClass.Name + "表格中要素个数为0。");
MessageBox.Show(feaClass.Name + "表格中要素个数为0。");
continue;
}
List <IFeatureSet> feaSets = new List <IFeatureSet>();
IFeatureSet feaSet = null;
switch (feaClass.GeometryType)
{
case EsriGeometryType.Point:
feaSet = new FeatureSet(FeatureType.Point);
break;
case EsriGeometryType.MultiPoint:
feaSet = new FeatureSet(FeatureType.MultiPoint);
break;
case EsriGeometryType.Line:
feaSet = new FeatureSet(FeatureType.Line);
break;
case EsriGeometryType.Polygon:
feaSet = new FeatureSet(FeatureType.Polygon);
break;
}
if (feaSet == null)
{
MessageBox.Show(feaClass + "表格中几何类型不被支持，请联系开发者处理。");
continue;
}
Table2ShapeFile(feaSet, pDT, feaClass.GeomShapeFieldName);
//设置坐标系并保存
feaSet.Projection = ProjectionInfo.FromEsriString(feaClass.ProjectionString);
feaSet.Filename = Path.Combine(tbx_Dir.Text, feaClass.Name + ".shp");
feaSet.Save();
MessageBox.Show(feaClass.Name + "表格向Shapefile转换成功。");
}
MessageBox.Show("转换完毕");
pGeoMDBReader.CloseMDB();
this.Close();
}
static void Main(string[] args)
{
try
{
// Connect to the reader.
// Pass in a reader hostname or IP address as a
// command line argument when running the example
if (args.Length != 1)
{
Console.WriteLine("Error: No hostname specified. Pass in the reader hostname as a command line argument when running the Sdk Example.");
return;
}
string hostname = args[0];
reader.Connect(hostname);
string executingPath = Path.GetFullPath(Path.Combine(Assembly.GetExecutingAssembly().Location, ".."));
// Query the reader features and print the results.
Console.WriteLine("Reader Features");
Console.WriteLine("---------------");
FeatureSet features = reader.QueryFeatureSet();
Console.WriteLine("Model name : {0}", features.ModelName);
Console.WriteLine("Model number : {0}", features.ModelNumber);
Console.WriteLine("Reader model : {0}", features.ReaderModel.ToString());
Console.WriteLine("Firmware version : {0}", features.FirmwareVersion);
Console.WriteLine("Antenna count : {0}\n", features.AntennaCount);
// Write the reader features to file.
string featuresFile = Path.Combine(executingPath, "features.xml");
features.Save(featuresFile);
// Query the current reader status.
Console.WriteLine("Reader Status");
Console.WriteLine("---------------");
Status status = reader.QueryStatus();
Console.WriteLine("Is connected : {0}", status.IsConnected);
Console.WriteLine("Is singulating : {0}", status.IsSingulating);
Console.WriteLine("Temperature : {0}° C\n", status.TemperatureInCelsius);
// Configure the reader with the default settings.
reader.ApplyDefaultSettings();
// Display the current reader settings.
DisplayCurrentSettings();
// Save the settings to file in XML format.
Console.WriteLine("Saving settings to file.");
Settings settings = reader.QuerySettings();
string settingsFile = Path.Combine(executingPath, "settings.xml");
settings.Save(settingsFile);
// Wait here, so we can edit the
// settings.xml file in a text editor.
Console.WriteLine("Edit settings.xml and press enter.");
Console.ReadLine();
// Load the modified settings from file.
Console.WriteLine("Loading settings from file.");
settings = Settings.Load(settingsFile);
// Apply the settings we just loaded from file.
Console.WriteLine("Applying settings from file.\n");
reader.ApplySettings(settings);
// Display the settings again to show the changes.
DisplayCurrentSettings();
// Wait for the user to press enter.
Console.WriteLine("Press enter to exit.");
Console.ReadLine();
// Disconnect from the reader.
reader.Disconnect();
}
catch (OctaneSdkException e)
{
// Handle Octane SDK errors.
Console.WriteLine("Octane SDK exception: {0}", e.Message);
}
catch (Exception e)
{
// Handle other .NET errors.
Console.WriteLine("Exception : {0}", e.Message);
}
}
static void Main(string[] args)
{
try
{
// Connect to the reader.
// Change the ReaderHostname constant in SolutionConstants.cs
// to the IP address or hostname of your reader.
reader.Connect(SolutionConstants.ReaderHostname);
// Query the reader features and print the results.
Console.WriteLine("Reader Features");
Console.WriteLine("---------------");
FeatureSet features = reader.QueryFeatureSet();
Console.WriteLine("Model name : {0}", features.ModelName);
Console.WriteLine("Model number : {0}", features.ModelNumber);
Console.WriteLine("Reader model : {0}", features.ReaderModel.ToString());
Console.WriteLine("Firmware version : {0}", features.FirmwareVersion);
Console.WriteLine("Antenna count : {0}\n", features.AntennaCount);
// Write the reader features to file.
features.Save("features.xml");
// Query the current reader status.
Console.WriteLine("Reader Status");
Console.WriteLine("---------------");
Status status = reader.QueryStatus();
Console.WriteLine("Is connected : {0}", status.IsConnected);
Console.WriteLine("Is singulating : {0}", status.IsSingulating);
Console.WriteLine("Temperature : {0}° C\n", status.TemperatureInCelsius);
// Configure the reader with the default settings.
reader.ApplyDefaultSettings();
// Display the current reader settings.
DisplayCurrentSettings();
// Save the settings to file in XML format.
Console.WriteLine("Saving settings to file.");
Settings settings = reader.QuerySettings();
settings.Save("settings.xml");
// Wait here, so we can edit the
// settings.xml file in a text editor.
Console.WriteLine("Edit settings.xml and press enter.");
Console.ReadLine();
// Load the modified settings from file.
Console.WriteLine("Loading settings from file.");
settings = Settings.Load("settings.xml");
// Apply the settings we just loaded from file.
Console.WriteLine("Applying settings from file.\n");
reader.ApplySettings(settings);
// Display the settings again to show the changes.
DisplayCurrentSettings();
// Wait for the user to press enter.
Console.WriteLine("Press enter to exit.");
Console.ReadLine();
// Disconnect from the reader.
reader.Disconnect();
}
catch (OctaneSdkException e)
{
// Handle Octane SDK errors.
Console.WriteLine("Octane SDK exception: {0}", e.Message);
}
catch (Exception e)
{
// Handle other .NET errors.
Console.WriteLine("Exception : {0}", e.Message);
}
}
public static void CreateNew()
{
void CreatePoint()
{
IFeatureSet fs = new FeatureSet(FeatureType.Point);
var point1 = new GeoPoint(133, 30);
var point2 = new GeoPoint(133, 32);
var point3 = new GeoPoint(134, 30);
var feature1 = new Feature(new Geometry(point1));
var feature2 = new Feature(new Geometry(point2));
var feature3 = new Feature(new Geometry(point3));
fs.Features.Add(feature1);
fs.Features.Add(feature2);
fs.Features.Add(feature3);
fs.Crs = Crs.Wgs84Gcs;
var dataTable = new DataTable();
dataTable.Columns.Add("名称", typeof(string));
dataTable.Columns.Add("id", typeof(int));
var row1 = dataTable.NewRow();
var row2 = dataTable.NewRow();
var row3 = dataTable.NewRow();
row1[0] = "点1";
row1[1] = 1;
row2[0] = "点2";
row2[1] = 2;
row3[0] = "点3";
row3[1] = 3;
dataTable.Rows.Add(row1);
dataTable.Rows.Add(row2);
dataTable.Rows.Add(row3);
fs.AttrTable = dataTable;
fs.Save("../createNew/point.shp");
}
void CreateMultiPoint()
{
IFeatureSet fs = new FeatureSet(FeatureType.MultiPoint);
var point1 = new GeoPoint(133, 30);
var point2 = new GeoPoint(133, 32);
var point3 = new GeoPoint(134, 30);
var point4 = new GeoPoint(134, 34);
var point5 = new GeoPoint(135, 35);
var multiPoint1 = new MultiPoint(new List <GeoPoint>()
{
point1, point2, point3
});
var multiPoint2 = new MultiPoint();
multiPoint2.Points.Add(point4);
multiPoint2.Points.Add(point5);
var feature1 = new Feature(new Geometry(multiPoint1));
var feature2 = new Feature(new Geometry(multiPoint2));
fs.Features.Add(feature1);
fs.Features.Add(feature2);
fs.Crs = Crs.Wgs84Gcs;
var dataTable = new DataTable();
dataTable.Columns.Add("名称", typeof(string));
dataTable.Columns.Add("id", typeof(int));
var row1 = dataTable.NewRow();
var row2 = dataTable.NewRow();
row1[0] = "多点1";
row1[1] = 1;
row2[0] = "多点2";
row2[1] = 2;
dataTable.Rows.Add(row1);
dataTable.Rows.Add(row2);
fs.AttrTable = dataTable;
fs.Save("../createNew/multipoint.shp");
}
void CreatePolyLine()
{
IFeatureSet fs = new FeatureSet(FeatureType.PolyLine);
var point1 = new GeoPoint(133, 30);
var point2 = new GeoPoint(133, 32);
var point3 = new GeoPoint(134, 30);
var point4 = new GeoPoint(134, 34);
var point5 = new GeoPoint(135, 35);
//line ring
var polyLine1 = new PolyLine(new List <GeoPoint>()
{
point1, point2, point3, point1
});
var isLineRing = polyLine1.IsLineRing;
var polyLine2 = new PolyLine(new List <GeoPoint>()
{
point4, point5
});
var feature1 = new Feature(new Geometry(polyLine1));
var feature2 = new Feature(new Geometry(polyLine2));
fs.Features.Add(feature1);
fs.Features.Add(feature2);
fs.Crs = Crs.Wgs84Gcs;
var dataTable = new DataTable();
dataTable.Columns.Add("名称", typeof(string));
dataTable.Columns.Add("id", typeof(int));
var row1 = dataTable.NewRow();
var row2 = dataTable.NewRow();
row1[0] = "线1";
row1[1] = 1;
row2[0] = "线2";
row2[1] = 2;
dataTable.Rows.Add(row1);
dataTable.Rows.Add(row2);
fs.AttrTable = dataTable;
fs.Save("../createNew/polyline.shp");
}
void CreateMultiPolyLine()
{
IFeatureSet fs = new FeatureSet(FeatureType.PolyLine);
var point1 = new GeoPoint(132, 30);
var point2 = new GeoPoint(136, 30);
var point3 = new GeoPoint(134, 28);
var point4 = new GeoPoint(134, 32);
var polyLine1 = new PolyLine(new List <GeoPoint>()
{
point1, point2
});
var polyLine2 = new PolyLine(new List <GeoPoint>()
{
point3, point4
});
var multiPolyLine1 = new MultiPolyLine(new List <PolyLine>()
{
polyLine1, polyLine2
});
var feature1 = new Feature(new Geometry(multiPolyLine1));
fs.Features.Add(feature1);
fs.Crs = Crs.Wgs84Gcs;
var dataTable = new DataTable();
dataTable.Columns.Add("名称", typeof(string));
dataTable.Columns.Add("id", typeof(int));
var row1 = dataTable.NewRow();
row1[0] = "十字多线";
row1[1] = 1;
dataTable.Rows.Add(row1);
fs.AttrTable = dataTable;
fs.Save("../createNew/multiPolyLine.shp");
}
void CreatePolygon()
{
IFeatureSet fs = new FeatureSet(FeatureType.Polygon);
var point1 = new GeoPoint(132, 30);
var point2 = new GeoPoint(136, 30);
var point3 = new GeoPoint(132, 35);
var edge = new PolyLine(new List <GeoPoint>()
{
point1, point2, point3, point1
});
var polygon = new Polygon(edge);
//edge，Clockwise
var point4 = new GeoPoint(140, 30);
var point5 = new GeoPoint(140, 35);
var point6 = new GeoPoint(150, 35);
var point7 = new GeoPoint(150, 30);
var edge2 = new PolyLine(new List <GeoPoint>()
{
point4, point5, point6, point7, point4
});
//points sketch
// .(point9)
//
// .(point8) .(point10)
//
var point8 = new GeoPoint(142, 31);
var point9 = new GeoPoint(145, 33);
var point10 = new GeoPoint(148, 31);
//hole, need Counterclockwise,
//if Counterclockwise, sequence should be:
//point8, point10, point9
//It will be handled inside the library.
//It will be a line ring inside the library too
var hole = new PolyLine(new List <GeoPoint>()
{
point8, point9, point10
});
var polygon2 = new Polygon(edge2, hole);
var feature1 = new Feature(new Geometry(polygon));
var feature2 = new Feature(new Geometry(polygon2));
fs.Features.Set(new List <IFeature>()
{
feature1,
feature2
});
fs.Crs = Crs.Wgs84Gcs;
var dataTable = new DataTable();
dataTable.Columns.Add("名称", typeof(string));
dataTable.Columns.Add("id", typeof(int));
var row1 = dataTable.NewRow();
var row2 = dataTable.NewRow();
row1[0] = "简单面";
row1[1] = 1;
row2[0] = "带洞面";
row2[1] = 2;
dataTable.Rows.Add(row1);
dataTable.Rows.Add(row2);
fs.AttrTable = dataTable;
fs.Save("../createNew/polygon.shp");
}
CreatePoint();
CreateMultiPoint();
CreatePolyLine();
CreateMultiPolyLine();
CreatePolygon();
}
public void RaiseCallbackEvent(String eventArgument)
// public virtual void RaiseCallbackEvent(String eventArgument) //to override in subclass
{
// returnCommand = "REFRESH"; //unsightly refresh when change legend selection
returnCommand = "NOTHING";
// string Nm = SessionName; //not used
GDIMap m = (GDIMap)System.Web.HttpContext.Current.Session[(string)ViewState[ClientID]];
if (m == null)
{
return;
}
string[] arg = eventArgument.Split('|');
string cmd = arg[0].ToUpper();
switch (cmd)
{
case "ZOOMALL":
{
ZoomAll(ref m);
returnCommand = "REFRESHANDHIDEBUFFER";
}
break;
case "SELECT":
{
if (m.Layers.SelectedLayer != null)
{
System.Drawing.Point pt1 = new System.Drawing.Point(Convert.ToInt32(arg[1]), Convert.ToInt32(arg[2]));
System.Drawing.Point pt2 = new System.Drawing.Point(Convert.ToInt32(arg[3]), Convert.ToInt32(arg[4]));
Coordinate pm1 = m.PixelToProj(pt1);
Coordinate pm2 = m.PixelToProj(pt2);
Extent ex = new Extent(Math.Min(pm1.X, pm2.X), Math.Min(pm1.Y, pm2.Y),
Math.Max(pm1.X, pm2.X), Math.Max(pm1.Y, pm2.Y));
IEnvelope MapEnv = m.Extent.ToEnvelope();
m.Layers.SelectedLayer.ClearSelection(out MapEnv);
m.Layers.SelectedLayer.ClearSelection();
IEnvelope affectedarea = null;
// m.Layers.SelectedLayer.Select(m.ViewExtents.ToEnvelope(), ex.ToEnvelope(), Symbology.SelectionMode.IntersectsExtent, out affectedarea);
m.Layers.SelectedLayer.Select(ex.ToEnvelope(), ex.ToEnvelope(), Symbology.SelectionMode.Intersects, out affectedarea);
returnCommand = "STRUCTURE";
}
else
{
returnValue = "<table><tr><td>Select a layer first.<p></td></tr><table>";
returnCommand = "POPUP";
// returnValue = "Select a layer first.";
// returnCommand = "ALERT";
}
}
break;
case "INFO":
{
System.Drawing.Point pt = new System.Drawing.Point(Convert.ToInt32(arg[2]), Convert.ToInt32(arg[3]));
Coordinate pm = m.PixelToProj(pt);
Extent ex = new Extent(pm.X, pm.Y, pm.X, pm.Y);
if (m.Layers.SelectedLayer != null)
{
FeatureSet fs = m.Layers.SelectedLayer.DataSet as FeatureSet;
// List<IFeature> flist = fs.Select(ex); //returns empty list when IndexMode == false
List <int> flist = fs.SelectIndices(ex);
int n = flist.Count;
// returnValue = "<table border='1'>"; //looks goofy
returnValue = "<table>";
if (n > 0)
{
for (int i = 0; i < fs.DataTable.Columns.Count; i++)
{
returnValue += "<tr><td>" + fs.DataTable.Columns[i].ColumnName +
// "</td><td>" + flist[0].DataRow[i].ToString() + "</td></tr>";
"</td><td>" + fs.GetFeature(flist[0]).DataRow[i].ToString() + "</td></tr>";
}
returnValue += "</table>";
returnCommand = "POPUP";
}
}
else
{
returnValue = "<table><tr><td>Select a layer first.<p></td></tr><table>";
returnCommand = "POPUP";
// returnValue = "Select a layer first.";
// returnCommand = "ALERT";
}
}
break;
case "RESIZE":
{
Size NewSz = new Size(Convert.ToInt32(arg[2]), Convert.ToInt32(arg[3]));
Size ActualSz = ControlSize;
if (ActualSz.Width == 0 || ActualSz.Height == 0)
{
ControlSize = NewSz;
ZoomAll(ref m);
returnCommand = "STRUCTURE";
}
else
{
if (NewSz != ActualSz)
{
ControlSize = NewSz;
returnCommand = "STRUCTURE";
}
else
{
returnCommand = "NOTHING";
}
}
}
break;
case "ZOOMRECT":
{
System.Drawing.Point pt1 = new System.Drawing.Point(Convert.ToInt32(arg[1]), Convert.ToInt32(arg[2]));
System.Drawing.Point pt2 = new System.Drawing.Point(Convert.ToInt32(arg[3]), Convert.ToInt32(arg[4]));
Coordinate pm1 = m.PixelToProj(pt1);
Coordinate pm2 = m.PixelToProj(pt2);
Extent x = new Extent(Math.Min(pm1.X, pm2.X),
Math.Min(pm1.Y, pm2.Y),
Math.Max(pm1.X, pm2.X),
Math.Max(pm1.Y, pm2.Y));
m.ViewExtents = x;
returnCommand = "REFRESHANDHIDEBUFFER";
}
break;
case "ZOOMIN":
{
int x = Convert.ToInt32(arg[1]);
int y = Convert.ToInt32(arg[2]);
System.Drawing.Point pntZoomAndCenter = new System.Drawing.Point((x - m.Size.Width / 2), (y - m.Size.Height / 2));
m.MapFrame.Pan(pntZoomAndCenter);
m.ZoomIn();
returnCommand = "REFRESHANDHIDEBUFFER";
}
break;
case "ZOOMOUT":
{
int x = Convert.ToInt32(arg[1]);
int y = Convert.ToInt32(arg[2]);
System.Drawing.Point pnt = new System.Drawing.Point((x - m.Size.Width / 2), (y - m.Size.Height / 2));
m.MapFrame.Pan(pnt);
m.ZoomOut();
returnCommand = "REFRESHANDHIDEBUFFER";
}
break;
case "PAN":
{
int x = Convert.ToInt32(arg[1]);
int y = Convert.ToInt32(arg[2]);
// not used: System.Drawing.Point pnt = new System.Drawing.Point((x - m.Size.Width / 2), (y - m.Size.Height / 2));
m.MapFrame.Pan(new System.Drawing.Point(x, y));
returnCommand = "REFRESH";
}
break;
case "WHEELIN":
{
m.ZoomIn();
returnCommand = "REFRESHANDHIDEBUFFER";
}
break;
case "WHEELOUT":
{
m.ZoomOut();
returnCommand = "REFRESHANDHIDEBUFFER";
}
break;
case "DATAGRID": //moved to here from RaisePostBackEvent
{
if (m.Layers.SelectedLayer != null)
{
//string script=null;
IMapFeatureLayer MFL = (IMapFeatureLayer)m.Layers.SelectedLayer;
int n = MFL.Selection.Count;
FeatureSet fs;
DataTable rs;
if (n > 0)
{
fs = MFL.Selection.ToFeatureSet();
rs = fs.DataTable;
}
else
{
fs = MFL.DataSet as FeatureSet;
rs = fs.DataTable;
}
if (DataOnGrid != null) //Let event handler display grid?
{
DataGridEventArgs e = new DataGridEventArgs();
e.Recordsource = rs;
DataOnGrid(this, e);
}
else //Display default HTML grid
{
returnValue = "<table border='1'><tr>";
for (int h = 0; h < rs.Columns.Count; h++)
{
returnValue += "<th>" + rs.Columns[h].ColumnName + "</th>";
}
returnValue += "</tr>";
string rowHtml;
for (int r = 0; r < rs.Rows.Count; r++)
{ //note: _much_ faster if build each row separately
rowHtml = "<tr>";
for (int c = 0; c < rs.Columns.Count; c++)
{
rowHtml += "<td>" + fs.GetFeature(r).DataRow[c].ToString() + "</td>";
}
rowHtml += "</tr>";
returnValue += rowHtml;
}
returnValue += "</table>";
returnCommand = "POPUP";
}
}
else
{
returnValue = "<table><tr><td>Select a layer first.<p></td></tr><table>";
returnCommand = "POPUP";
}
}
break;
case "ADDFEATURE": //moved to here from RaisePostBackEvent
{
int num = Convert.ToInt32(arg[1]);
System.Drawing.Point pt = new System.Drawing.Point();
Coordinate[] pm = new Coordinate[num];
for (int i = 0; i < num; i++)
{
pt.X = Convert.ToInt32(arg[(i + 1) * 2]);
pt.Y = Convert.ToInt32(arg[(i + 1) * 2 + 1]);
pm[i] = m.PixelToProj(pt);
}
if (m.Layers.SelectedLayer != null)
{
FeatureSet fs = m.Layers.SelectedLayer.DataSet as FeatureSet;
Feature f;
FeatureType ft = FeatureType.Unspecified;
IMapFeatureLayer MFL = (IMapFeatureLayer)m.Layers.SelectedLayer;
if (MFL.GetType() == typeof(MapPointLayer))
{
ft = FeatureType.Point;
}
if (MFL.GetType() == typeof(MapLineLayer))
{
ft = FeatureType.Line;
}
if (MFL.GetType() == typeof(MapPolygonLayer))
{
ft = FeatureType.Polygon;
}
if (ft != FeatureType.Unspecified)
{
f = new Feature(ft, pm);
try
{
if (AddFeature != null)
{
AddFeature(this, fs, f);
}
else
{
try
{
fs.AddFeature(f);
fs.Save();
}
catch
{
fs.Features.Remove(f);
throw; //re-throw exception
}
fs.InitializeVertices();
}
//Apparently have to force recreating labels when add feature.
if (MFL.LabelLayer != null)
{
// Recreating label layer works.
// MapLabelLayer NewLabels = new MapLabelLayer();
// NewLabels.Symbology = MFL.LabelLayer.Symbology;
// NewLabels.Symbolizer = MFL.LabelLayer.Symbolizer;
// MFL.LabelLayer = NewLabels;
// Recreating just labels also works.
MFL.LabelLayer.CreateLabels();
}
returnCommand = "FORCEREFRESH";
}
catch (Exception e)
{
returnValue = "Unable to save feature.<p>" + e.Message;
returnCommand = "POPUPANDREFRESH"; //erase new shape too
}
// fs.IndexMode = true;
//Adding a feature sets FeatureSet.IndexMode to false,
// causing fs.Select above in INFO case to return a list
// with Count == 0. One workaround is to set IndexMode
// back to true. This does cause all existing labels
// to disapper with refresh, but recreating label layer
// above fixed that. (Also tried InitializeVertices,
// InvalidateEnvelope, InvalidateVertices, UpdateExtents, etc.)
// Oops, setting IndexMode back to true corrupts shapes...
}
}
}
break;
}
//ControlMap = m;
System.Web.HttpContext.Current.Session[(string)ViewState[ClientID]] = m;
if (returnCommand == "STRUCTURE")
{
returnValue = redraw(ref m);
if (OnRedraw != null)
{
OnRedraw(this);
}
}
if (returnCommand == "REFRESH" | returnCommand == "REFRESHANDHIDEBUFFER")
{
returnValue = refresh(ref m);
if (OnRedraw != null)
{
OnRedraw(this);
}
}
}
/// <summary>
/// given a data table, create an in-memory point feature set.
/// The feature set must have the 'Latitude' and 'Longitude' numeric
/// columns
/// </summary>
/// <param name="themeTable">The table of distinct series</param>
/// <param name="projection">The projection of the theme feature set</param>
/// <returns>A point FeatureSet in the WGS-84 coordinate system
/// All columns of the data table will be converted to atrribute fields</returns>
private IFeatureSet TableToFeatureSet(DataTable themeTable, ProjectionInfo projection = null)
{
//index of the Latitude column
int latColIndex = -1;
//index of the Longitude column
int lonColIndex = -1;
//get the latitude and longitude column indices
for (int col = 0; col < themeTable.Columns.Count; col++)
{
string colName = themeTable.Columns[col].ColumnName.ToLower();
if (colName == "latitude")
{
latColIndex = col;
}
if (colName == "longitude")
{
lonColIndex = col;
}
}
//check if the latitude column exists
if (latColIndex == -1)
{
throw new ArgumentException("The table doesn't have a column 'Latitude'");
}
//check if the longitude column exists
if (lonColIndex == -1)
{
throw new ArgumentException("The table doesn't have a column 'Longitude'");
}
//generate attribute table schema
var fs = new FeatureSet(FeatureType.Point);
var attributeTable = fs.DataTable;
foreach (DataColumn column in themeTable.Columns)
{
attributeTable.Columns.Add(column.DataType == typeof(DateTime)
? new Field(column.ColumnName, 'C', 16, 0)
: new DataColumn(column.ColumnName, column.DataType));
}
//generate features
foreach (DataRow row in themeTable.Rows)
{
double lat = Convert.ToDouble(row[latColIndex]);
double lon = Convert.ToDouble(row[lonColIndex]);
var coord = new Coordinate(lon, lat);
var newFeature = new Feature(FeatureType.Point, new[] { coord });
fs.Features.Add(newFeature);
var featureRow = newFeature.DataRow;
for (int c = 0; c < attributeTable.Columns.Count; c++)
{
featureRow[c] = themeTable.Columns[c].DataType == typeof(DateTime)
? ConvertTime((DateTime)row[c])
: row[c];
}
}
//to save the feature set to a file with unique name
string uniqueID = DateTime.Now.ToString("yyyyMMdd_hhmmss");
var rnd = new Random();
uniqueID += rnd.Next(100).ToString("000");
var filename = Path.Combine(Settings.Instance.CurrentProjectDirectory, "theme_" + uniqueID + ".shp");
fs.Filename = filename;
fs.Projection = _wgs84Projection;
fs.Save();
fs.Dispose();
var fs2 = FeatureSet.OpenFile(filename);
//to reproject the feature set
if (projection != null)
{
fs2.Reproject(projection);
}
return(fs2);
}
/// <summary>
/// Creates shapefile from search results, shows shapefile on map display
/// </summary>
/// <param name="SeriesCatalogResults"></param>
private void PutReturnOnMap(IEnumerable <FacetedSearch3.CUAHSIFacetedSearch.SeriesCatalogRecord> SeriesCatalogResults)
{
FeatureSet fs = new FeatureSet(FeatureType.Point);
try
{
ClearPointLayersFromMap();
// string shapeFileName = String.Format(@"{0}\{1}.shp", Settings.Instance.TempDirectory, "FacetedSearchResult");
fs.DataTable.Columns.Add(new DataColumn("ServiceCode", typeof(string)));
fs.DataTable.Columns.Add(new DataColumn("ServiceURL", typeof(string)));
fs.DataTable.Columns.Add(new DataColumn("SiteCode", typeof(string)));
fs.DataTable.Columns.Add(new DataColumn("SiteName", typeof(string))); //to improve display of labels and pop-up. shows a copy of SiteCode
fs.DataTable.Columns.Add(new DataColumn("VarCode", typeof(string)));
fs.DataTable.Columns.Add(new DataColumn("VarName", typeof(string))); //to improve display of labels and pop-up. shows a copy of VarCode
fs.DataTable.Columns.Add(new DataColumn("StartDate", typeof(DateTime)));
fs.DataTable.Columns.Add(new DataColumn("EndDate", typeof(DateTime)));
fs.DataTable.Columns.Add(new DataColumn("ValueCount", typeof(int)));
foreach (FacetedSearch3.CUAHSIFacetedSearch.SeriesCatalogRecord o in SeriesCatalogResults)
{
DotSpatial.Topology.Point p = new DotSpatial.Topology.Point(o.Longitude, o.Latitude);
IFeature f = fs.AddFeature(p);
f.DataRow.BeginEdit();
f.DataRow["ServiceCode"] = o.ServCode;
f.DataRow["ServiceURL"] = o.ServURL;
f.DataRow["SiteCode"] = o.SiteCode;
f.DataRow["SiteName"] = o.SiteName;
f.DataRow["VarCode"] = o.VarCode;
f.DataRow["VarName"] = o.VariableName;
f.DataRow["StartDate"] = o.StartDate;
f.DataRow["EndDate"] = o.EndDate;
f.DataRow["ValueCount"] = o.ValueCount;
f.DataRow.EndEdit();
}
//set the projection
fs.Projection =
new ProjectionInfo();
fs.ProjectionString = "+proj=longlat +ellps=WGS84 +no_defs";
// the faceted search shapefile is saved to the current project directory
// preferably this should be in the current project's directory
// if the current project directory doesn't exist then use a temp folder
string facetedSearchShapefileFullPath;
if (App.SerializationManager.CurrentProjectDirectory == null)
{
string hdTempPath = System.IO.Path.Combine(System.IO.Path.GetTempPath(), "HydroDesktop");
facetedSearchShapefileFullPath = System.IO.Path.Combine(hdTempPath, FacetedShapeFileName);
}
else
{
facetedSearchShapefileFullPath = System.IO.Path.Combine(App.SerializationManager.CurrentProjectDirectory, FacetedShapeFileName);
}
fs.Filename = facetedSearchShapefileFullPath;
fs.Save();
// implement threshold for adding to map directly or via shapefile on disk?
if (SeriesCatalogResults.Count <FacetedSearch3.CUAHSIFacetedSearch.SeriesCatalogRecord>() > 25000)
{
}
else
{
}
// need to use the full path (relative path didn't work when deploying
// the plugin as a package)
App.Map.AddLayer(facetedSearchShapefileFullPath);
}
finally
{
fs.Dispose();
}
//add featureSet to the map
// IMapLayer newLayer = MapArgs.Map.Layers.Add(shapeFileName);
//add labels
// MapArgs.Map.AddLabels((IFeatureLayer)newLayer,
// String.Format("[{0}]", "FacetedSearchResults"), String.Empty,
// new LabelSymbolizer());
}